We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for 1.67 Progressive Lenses, Bifocal Eye Lens, Different Types Of Bifocal Lenses, 156 Optical Lens,Progressive Bifocals. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market. The product will supply to all over the world, such as Europe, America, Australia,United States, Grenada,Philippines, Berlin.Our Company has qualified engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the items, Be sure to feel free to contact us.